Atoms
Atomic Structure
The Periodic Table Organization
The Periodic Table Uses
Misc.
100
These are the positive particles inside an atom.
What are protons?
100
An atom is broken into 2 basic parts; the electron cloud and this.
What is a nucleus?
100

I am on each element's square and tell you how much this element weighs. What am I?

Atomic mass.

100
The atomic number on the periodic table of elements gives you the number of these in an atom of the element.
What are protons?
100
The number of this type of particle of an atom determines what the element is.
What are protons?
200
These are the negative particles inside an atom.
What are electrons?
200
This is the core of an atom.
What is the nucleus?
200
Today's periodic table of elements is organized by this.
What is increasing atomic number? or What is by metals, nonmetals, and metalloids?
200
The atomic number on the periodic table of elements gives you the number of protons in an atom of the element. IF the atom has no charge, then it is also the same as the number of these in an atom of the element.
What are electrons?
200

Two or more elements chemically combined are know as this.

What are molecules?

300
These are the particles that do not have a charge inside an atom.
What are neutrons?
300
The electron cloud contains these types of particles inside an atom.
What are electrons?
300

I am on each element's square and tell you what element you are looking at. What am I?

Element name.

300
This is the number of protons plus the number of neutrons in an atom.
What is the atomic mass or mass number?
300
These are examples of this (elements or compounds): Na, Co, C, Au, Ag, O
What are elements?
400
These are the building blocks of matter.
What are atoms?
400
The nucleus of an atom houses this positive particle.
What is a proton?
400

I am on each element's square and tell you the number of protons the element has. What am I?

Atomic number.

400
Using a periodic table of elements, you do this to find out how many neutrons are in an atom of an element.
What is subtract the atomic number from the atomic mass?
400

This is the name of the rows of the periodic table of elements.

Periods.

500
This term comes from the Greek word for "indivisible."
What is atom?
500
The nucleus of an atom houses this neutrally charged particle.
What is a neutron?
500

Two elements have the same number of valence (outer) electrons. What does this tell you about their placement on the Periodic Table?

They are in the same group.

500

Two elements have the same # of shells, what does that mean about their placement on the Periodic Table?

They are in the same period.

500

This is the name of the columns of the periodic table of elements. 

What are groups?

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